March or Die — Andrew Keith

WHEN THE CONQUERED REVOLT

As the Terran Commonwealth expanded the borders of the interstellar territories it controlled, an alien race which had once ruled the spaceways was forced to yield control of much of their own star empire. But they had never been fully conquered, and they would never cease trying to undermine the Commonwealth's power.

So when Commonwealth diplomats and the command officers of the Terran Fifth Foreign Legion gathered in the capital city of the world to meet with the local ruler, no one suspected the trap they were walking into. Even as assassins' fire claimed their lives, native forces initiated a simultaneous attack on the partially completed Fifth Foreign Legion fortress. And the ranking surviving officer at the fort led his troops on an impossible march through the heart of enemy territory, fighting every step of the way in a last-ditch effort to reach their main base--or die in the attempt....